mutakafia

mutakafia [Ar. mutakāfi’] , perfectly matched, equally balanced. superficies mutekefie sunt inter latera quarum incontinua proportionalitas retransitive reperitur Adel. Elem. VI def. 2; si ‥ fuerint latera illos equales angulos continentia mutekefia, erunt duo illi trianguli equales Ib. VI 14; si ergo mutakefia, mergetur medietas lapidis in aquam medietasque super eminebit Alf. Angl. Plant. 29.